package com.stsdai.pay.controller;

import java.io.UnsupportedEncodingException;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;

import org.apache.solr.common.util.Hash;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.CookieValue;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.internal.util.AlipaySignature;
import com.alipay.api.request.AlipayTradeFastpayRefundQueryRequest;
import com.alipay.api.request.AlipayTradePagePayRequest;
import com.stsdai.manager.pojo.Order;
import com.stsdai.manager.pojo.OrderItem;
import com.stsdai.manager.pojo.User;
import com.stsdai.order.service.OrderService;
import com.stsdai.pay.portal.AlipayConfig;
import com.stsdai.sso.service.UserService;

@Controller
@RequestMapping("pay")
public class PayController {
	
	@Autowired
	private OrderService orderService;
	
	@Autowired
	private UserService userService;
	
/*	@RequestMapping("{orderId}")
	public String index(Model model,@CookieValue("STSD_TICKET") String ticket, @PathVariable String orderId) {
		
		String a = null;
		a = orderId;
		Long shopid = null;
		User user = userService.queryUserByTicket(ticket);
		
		Order order = orderService.queryNewOrder(user.getId());
		
		model.addAttribute("order", order);
		
		return "payindex";
	};*/
	
	@RequestMapping("{orderId}")
	public String tiaoZhuan(Model model,HttpServletRequest request,  @PathVariable String orderId) {
		
		Order order = orderService.queryOrderById(orderId);
		
		AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key, AlipayConfig.sign_type);
		
		//设置请求参数
		AlipayTradePagePayRequest alipayRequest = new AlipayTradePagePayRequest();
		alipayRequest.setReturnUrl(AlipayConfig.return_url);
		alipayRequest.setNotifyUrl(AlipayConfig.notify_url);
		
		//商户订单号，商户网站订单系统中唯一订单号，必填
		String out_trade_no = null;
		try {
			out_trade_no = new String(order.getOrderId().getBytes("ISO-8859-1"),"UTF-8");
		} catch (UnsupportedEncodingException e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		}
		//付款金额，必填
		String total_amount = null;
		try {
			total_amount = new String(order.getPayment().getBytes("ISO-8859-1"),"UTF-8");
		} catch (UnsupportedEncodingException e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		}
		//订单名称，必填
		String subject = null;
		try {
			subject = new String("测试".getBytes("ISO-8859-1"),"UTF-8");
		} catch (UnsupportedEncodingException e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		}
		//商品描述，可空
		String body = null;
		try {
			body = new String(order.getOrderId().getBytes("ISO-8859-1"),"UTF-8");
		} catch (UnsupportedEncodingException e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		}
		
		alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\"," 
				+ "\"total_amount\":\""+ total_amount +"\"," 
				+ "\"subject\":\""+ subject +"\"," 
				+ "\"body\":\""+ body +"\"," 
				+ "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");
		
		//若想给BizContent增加其他可选请求参数，以增加自定义超时时间参数timeout_express来举例说明
		//alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\"," 
		//		+ "\"total_amount\":\""+ total_amount +"\"," 
		//		+ "\"subject\":\""+ subject +"\"," 
		//		+ "\"body\":\""+ body +"\"," 
		//		+ "\"timeout_express\":\"10m\"," 
		//		+ "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");
		//请求参数可查阅【电脑网站支付的API文档-alipay.trade.page.pay-请求参数】章节
		
		//请求
		String result = null;
		try {
			result = alipayClient.pageExecute(alipayRequest).getBody();
		} catch (AlipayApiException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
		//输出
		model.addAttribute("result2", result);
		
		return "result1";
	};
	
	@RequestMapping("notify_url")
	public String notifyUrl(HttpServletRequest request) {
		
		Map<String,String> params = new HashMap<String,String>();
		Map<String,String[]> requestParams = request.getParameterMap();
		for (Iterator<String> iter = requestParams.keySet().iterator(); iter.hasNext();) {
			String name = (String) iter.next();
			String[] values = (String[]) requestParams.get(name);
			String valueStr = "";
			for (int i = 0; i < values.length; i++) {
				valueStr = (i == values.length - 1) ? valueStr + values[i]
						: valueStr + values[i] + ",";
			}
			//乱码解决，这段代码在出现乱码时使用
			try {
				valueStr = new String(valueStr.getBytes("ISO-8859-1"), "utf-8");
			} catch (UnsupportedEncodingException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
			params.put(name, valueStr);
		}
		boolean signVerified = false;
		try {
			signVerified = AlipaySignature.rsaCheckV1(params, AlipayConfig.alipay_public_key, AlipayConfig.charset, AlipayConfig.sign_type);
		} catch (AlipayApiException e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		} //调用SDK验证签名

		//——请在这里编写您的程序（以下代码仅作参考）——
		
		/* 实际验证过程建议商户务必添加以下校验：
		1、需要验证该通知数据中的out_trade_no是否为商户系统中创建的订单号，
		2、判断total_amount是否确实为该订单的实际金额（即商户订单创建时的金额），
		3、校验通知中的seller_id（或者seller_email) 是否为out_trade_no这笔单据的对应的操作方（有的时候，一个商户可能有多个seller_id/seller_email）
		4、验证app_id是否为该商户本身。
		*/
		if(signVerified) {//验证成功
			//商户订单号
			try {
				String out_trade_no = new String(request.getParameter("out_trade_no").getBytes("ISO-8859-1"),"UTF-8");
			} catch (UnsupportedEncodingException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		
			//支付宝交易号
			try {
				String trade_no = new String(request.getParameter("trade_no").getBytes("ISO-8859-1"),"UTF-8");
			} catch (UnsupportedEncodingException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		
			//交易状态
			String trade_status = null;
			try {
				trade_status = new String(request.getParameter("trade_status").getBytes("ISO-8859-1"),"UTF-8");
			} catch (UnsupportedEncodingException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
			
			if(trade_status.equals("TRADE_FINISHED")){
				//判断该笔订单是否在商户网站中已经做过处理
				//如果没有做过处理，根据订单号（out_trade_no）在商户网站的订单系统中查到该笔订单的详细，并执行商户的业务程序
				//如果有做过处理，不执行商户的业务程序
					
				//注意：
				//退款日期超过可退款期限后（如三个月可退款），支付宝系统发送该交易状态通知
			}else if (trade_status.equals("TRADE_SUCCESS")){
				//判断该笔订单是否在商户网站中已经做过处理
				//如果没有做过处理，根据订单号（out_trade_no）在商户网站的订单系统中查到该笔订单的详细，并执行商户的业务程序
				//如果有做过处理，不执行商户的业务程序
				
				//注意：
				//付款完成后，支付宝系统发送该交易状态通知
			}
			
			return "success";
			
		}else {//验证失败
			return "file";
		
			//调试用，写文本函数记录程序运行情况是否正常
			//String sWord = AlipaySignature.getSignCheckContentV1(params);
			//AlipayConfig.logResult(sWord);
		}
	};
	
	@RequestMapping("return_url")
	public String returnUrl(HttpServletRequest request,@RequestParam("out_trade_no") String out_trade_no,@RequestParam("trade_no") String trade_no,
			@RequestParam("total_amount") String total_amount) {
		
		/* *
		 * 功能：支付宝服务器同步通知页面
		 * 日期：2017-03-30
		 * 说明：
		 * 以下代码只是为了方便商户测试而提供的样例代码，商户可以根据自己网站的需要，按照技术文档编写,并非一定要使用该代码。
		 * 该代码仅供学习和研究支付宝接口使用，只是提供一个参考。


		 *************************页面功能说明*************************
		 * 该页面仅做页面展示，业务逻辑处理请勿在该页面执行
		 */
			//获取支付宝GET过来反馈信息
			Map<String,String> params = new HashMap<String,String>();
			Map<String,String[]> requestParams = request.getParameterMap();
			for (Iterator<String> iter = requestParams.keySet().iterator(); iter.hasNext();) {
				String name = (String) iter.next();
				String[] values = (String[]) requestParams.get(name);
				String valueStr = "";
				for (int i = 0; i < values.length; i++) {
					valueStr = (i == values.length - 1) ? valueStr + values[i]
							: valueStr + values[i] + ",";
				}
				//乱码解决，这段代码在出现乱码时使用
				try {
					valueStr = new String(valueStr.getBytes("ISO-8859-1"), "utf-8");
				} catch (UnsupportedEncodingException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
				params.put(name, valueStr);
			}
			
			boolean signVerified = false;
			try {
				signVerified = AlipaySignature.rsaCheckV1(params, AlipayConfig.alipay_public_key, AlipayConfig.charset, AlipayConfig.sign_type);
			} catch (AlipayApiException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			} //调用SDK验证签名

			//——请在这里编写您的程序（以下代码仅作参考）——
			if(signVerified) {
				//商户订单号

				try {
					out_trade_no = new String(out_trade_no.getBytes("ISO-8859-1"),"UTF-8");
				} catch (UnsupportedEncodingException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
			
				//支付宝交易号
				try {
					trade_no = new String(trade_no.getBytes("ISO-8859-1"),"UTF-8");
				} catch (UnsupportedEncodingException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
			
				//付款金额
				try {
					total_amount = new String(total_amount.getBytes("ISO-8859-1"),"UTF-8");
				} catch (UnsupportedEncodingException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
				
				//修改订单状态为已支付
				Order order = orderService.queryOrderById(out_trade_no);
				order.setStatus(2);
				List<OrderItem> list = order.getOrderItems();
				for(OrderItem orderItem : list){
					orderItem.setStatus(1);
				}	
				orderService.updateOrder(order);

				//out.println("trade_no:"+trade_no+"<br/>out_trade_no:"+out_trade_no+"<br/>total_amount:"+total_amount);
				return "success";
				
			}else {
				//out.println("验签失败");
				return "file";
			}
	};
	

}
